Home / 7,176.73-9,903.57-4,192.84

Finding the Fourth Proportional to 7,176.73, 9,903.57 and 4,192.84

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Solution

The fourth proportional to 7,176.73, 9,903.57 and 4,192.84 is: 5,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.73 : 9,903.57 = 4,192.84 : x
  2. Step 2: Convert to fraction form
    7,176.73/9,903.57 = 4,192.84/x
  3. Step 3: Cross multiply
    7,176.73x = 9,903.57 × 4,192.84
  4. Step 4: Simplify right side
    7,176.73x = 41,524,084.44
  5. Step 5: Solve for x
    x = 41,524,084.44/7,176.73
  6. Step 6: Final answer
    x = 5,785.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.